Janus International
JBI
226 hedge funds and large institutions have $696M invested in Janus International in 2026 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 88 increasing their positions, 55 reducing their positions, and 29 closing their positions.
15,800% more call options, than puts
Call options by funds: $159K | Put options by funds: $1K
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
83% more first-time investments, than exits
New positions opened: 53 | Existing positions closed: 29
60% more repeat investments, than reductions
Existing positions increased: 88 | Existing positions reduced: 55
11% more funds holding
Funds holding: 204 → 226 (+22)
6% more capital invested
Capital invested by funds: $657M → $696M (+$39.8M)
0.03% less ownership
Funds ownership: 92.02% → 92% (-0.03%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AF
Atlas FRM
Greenwich,
Connecticut
|
+$17M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$11.8M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$6.98M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
+$4.59M |
| 5 |
BlackRock
New York
|
+$4.14M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
-$22.1M |
| 2 |
CB
Cooke & Bieler
Philadelphia,
Pennsylvania
|
-$14.1M |
| 3 |
William Blair Investment Management
Chicago,
Illinois
|
-$14.1M |
| 4 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
-$10.6M |
| 5 |
SAM
Silvercrest Asset Management
New York
|
-$9.63M |
JBI Hedge Fund Activity: Q2 2026 in Review
226 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Janus International (JBI) for Q2 2026, worth a combined $696M — up 6.1% from $657M a quarter earlier.
Buyers outnumbered sellers: 53 funds opened new JBI positions and 29 closed out — a net gain of 24 holders — while 88 added to existing stakes and 55 trimmed.
The largest buyer was Atlas FRM, opening a new position worth an estimated $17M. The largest seller was Ameriprise, cutting an estimated $22.1M.
- 226 institutional investors held Janus International (JBI) as of Q2 2026, up from 204 in Q1 2026.
- Funds reported $696M of Janus International stock for Q2 2026, up 6.1% quarter-over-quarter.
- 53 funds opened new Janus International positions in Q2 2026 and 29 closed out, a net change of +24 holders.
- The largest Janus International buyer in Q2 2026 was Atlas FRM, an estimated $17M added.
- The largest Janus International seller in Q2 2026 was Ameriprise, an estimated $22.1M sold.
Based on aggregated 13F filings for Q2 2026.